LXR uboot/arch/sh/cpu/sh4/cpu.c

   1/*
   2 * (C) Copyright 2007
   3 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#include <common.h>
  25#include <command.h>
  26#include <netdev.h>
  27#include <asm/processor.h>
  28#include <asm/cache.h>
  29
  30int checkcpu(void)
  31{
  32        puts("CPU: SH4\n");
  33        return 0;
  34}
  35
  36int cpu_init (void)
  37{
  38        return 0;
  39}
  40
  41int cleanup_before_linux (void)
  42{
  43        disable_interrupts();
  44        return 0;
  45}
  46
  47int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  48{
  49        disable_interrupts();
  50        reset_cpu (0);
  51        return 0;
  52}
  53
  54void flush_cache (unsigned long addr, unsigned long size)
  55{
  56        dcache_invalid_range( addr , addr + size );
  57}
  58
  59void icache_enable (void)
  60{
  61        cache_control(0);
  62}
  63
  64void icache_disable (void)
  65{
  66        cache_control(1);
  67}
  68
  69int icache_status (void)
  70{
  71        return 0;
  72}
  73
  74void dcache_enable (void)
  75{
  76}
  77
  78void dcache_disable (void)
  79{
  80}
  81
  82int dcache_status (void)
  83{
  84        return 0;
  85}
  86
  87int cpu_eth_init(bd_t *bis)
  88{
  89#ifdef CONFIG_SH_ETHER
  90        sh_eth_initialize(bis);
  91#endif
  92        return 0;
  93}
  94